应用功能：升压降压式电荷泵DC-DC变换器 The LM3355 is a CMOS switched capacitor DC/DC converter that produces a regulated output voltage by automatically stepping up (boost) or stepping down (buck) the input voltage. It accepts an input voltage between 2.5V and 5.5V.The LM3355 is available with a standard output voltage of 4.1V (ideal for white LED applications).
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